netdev - [PATCH] net/mlx5: Use PTR_ERR_OR_ZERO rather than its implementation

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Date:   Tue, 3 Sep 2019 14:56:10 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>
CC:     <saeedm@...lanox.com>, <leon@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <zhongjiang@...wei.com>
Subject: [PATCH] net/mlx5: Use PTR_ERR_OR_ZERO rather than its implementation

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better
to use it directly. hence just replace it.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 5581a80..2e0b467 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -989,10 +989,7 @@ static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv,
 					    &flow_act, dest, dest_ix);
 	mutex_unlock(&priv->fs.tc.t_lock);
 
-	if (IS_ERR(flow->rule[0]))
-		return PTR_ERR(flow->rule[0]);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(flow->rule[0]);
 }
 
 static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
-- 
1.7.12.4